This viral isolate and the isolate AB367429originated in the same patient with type B chronichepatitis showing lamivudine resistance. This isolate wasobtained 18 months later than the isolate AB367429.

This viral isolate and the isolate AB367416originated in the same patient with type B chronichepatitis showing lamivudine resistance. This isolate wasobtained 21 months later than the isolate AB367416.